Submitter Variables Constraints Density Status Group Objective MPS File
S. Lukac 10240 9499 1.38381e-03 easy -21718 mzzv11.mps.gz

Railway slot allocation problems

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 10240 10240
Constraints 9499 9499
Binaries 9989 9989
Integers 251 251
Continuous 0 0
Implicit Integers 0 53
Fixed Variables 0 0
Nonzero Density 0.00138381 0.00138381
Nonzeroes 134603 134603
Constraint Classification Properties
Original Presolved
Total 9499 9499
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 129 129
Set Partitioning 1073 1073
Set Packing 5755 5755
Set Covering 28 0
Cardinality 2208 2208
Invariant Knapsack 5 33
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 1 2
Integer Knapsack 0 0
Mixed Binary 1 0
General Linear 299 299
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 1.653213
Constraint % 0.168439 0.887893 0.579008 6.21118
Variable % 0.214844 2.272730 1.450200 22.80270
Score 0.367284

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

ID Objective Exact Int. Viol Cons. Viol Obj. Viol Submitter Date Description
2 -21718 -21718 0 0 0 - 2018-10-29 Solution found during MIPLIB2017 problem selection.
1 -21718 -21718 0 0 0 - 2018-10-11 Solution imported from MIPLIB2010.

Similar instances in collection

The following instances are most similar to mzzv11 in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.

Instance Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Status Objective
mzzv42z 11717 11482 235 0 10460 151261 MIPLIB submission pool easy -20540
neos-1223462 5495 5180 315 0 5890 47040 NEOS Server Submission neos-pseudoapplication-12 easy -751
nursesched-medium04 29667 29613 54 0 8668 621829 Haroldo Gambini Santos nursescheduling easy 237
nursesched-sprint02 10250 10230 20 0 3522 204000 Haroldo Gambini Santos nursescheduling easy 58
wachplan 3361 3360 1 0 1553 89361 Sebastian Orlowski easy -8

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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